gecko-dev/cmd/wincom/dllcom/public/dlltask.h
1998-03-28 02:44:41 +00:00

68 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef __DllProcessData_H
#define __DllProcessData_H
// THIS HEADER IS NOT PUBLIC TO OTHER CODE EXCEPT THE
// CORE DLL IMPLEMENTATION.
// Classes used to maintain a seperate instace list of
// Dll data for each different task utilizing the
// Dll. The goal here is to transparently make
// win16 Dlls which share data, to act like win32
// Dlls, which do not share data.
// This class is solely contained by the CComDll class
// constructor and destructor, but this class
// registers itself into a list such that a per
// process lookup can find a CComDll instance.
class CProcessEntry {
friend class CComDll;
friend class CProcess;
private:
// Used in conjunction with the CProcess list
// to automatically manage it.
CProcessEntry(CComDll *pDll);
~CProcessEntry();
private:
// All needed state data to seperate out and
// combine a single process with a single
// set of instance data.
DWORD m_dwProcessID;
CComDll *m_pDllInstance;
CProcessEntry *m_pNext;
};
// This class is never actually allocated, but is used
// to logically seperate out the members and their
// purpose.
class CProcess {
friend class CProcessEntry;
private:
// A list of process IDs and Dll instance data.
static CProcessEntry *m_pProcessList;
public:
static CComDll *GetProcessDll();
static BOOL CanUnloadNow();
static DWORD GetProcessID();
};
#endif // __DllProcessData_H